<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<script>
    function tanchu() {
        alert("诗词类型是")

    }
</script>

<body>
    <textarea name="text" id="t1" cols="30" rows="10"></textarea>
    <input type="button" value="确定" onclick="tanchu()"></input>
</body>

</html>